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Chapter 2 Installation 31
Serial ports (CN11, CN5)
The SBC-658 offers two serial ports, one RS-232 (CN11) and one
RS-232/422/485 (CN5). These ports allow you to connect them to
serial devices (mouse, printers, etc.).
COM2 RS-232/422/485 serial ports (CN5)
COM2 RS-232/422/485 serial port (CN5)
PIN SIGNAL PIN SIGNAL
COM2 1 DCDB 6 DSRB
(422TXD-/485DATA-)
2 RXDB 7 RTSB
(422RXD+)
3 TXDB 8 CTSB
(422TXD+/485DATA+)
4 DTRB 9 RIB
(422RXD-)
5 GND 10 N.C.
CN11
(COM1)
9
2
1
10
9
51
6
CN5
(COM2)